Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	SULF1
Human P-Site:	Y858
P-Site Sequence:	GNKDGGSYDLHRGQL
UniProt:	Q8IWU6
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SULF1	Q8IWU6	Y858	GNKDGGSYDLHRGQL	100 / 9 AA	101
Phosphosite 1:	SULF1	Q8IWU6	S857	VGNKDGGSYDLHRGQ	100 / 8 AA	101
Phosphosite 2:	SPTB	P11277	Y1797	MQLLAASYDLHRYFY	75 / 8 AA	246
Phosphosite 3:	PSG11	Q9UQ72	S119	VTREDAGSYTLHIIK	75 / 8 AA	37
Phosphosite 4:	PSG3	Q16557	S119	VTREDAGSYTLHIVK	75 / 8 AA	48
Phosphosite 5:	PSG5	Q15238	S119	VTREDAGSYTLHIIK	75 / 8 AA	38
Phosphosite 6:	PSG6	Q00889	S118	VTQEDAGSYTLHIIK	75 / 8 AA	49
Phosphosite 7:	PSG4	Q00888	S119	VTQEDAGSYTLHIIK	75 / 8 AA	47
Phosphosite 8:	PSG2	P11465	S119	VTREDAGSYTLHIIK	75 / 8 AA	37
Phosphosite 9:	PSG1	P11464	S119	VTREDAGSYTLHIIK	75 / 8 AA	47
Phosphosite 10:	DDHD2	O94830	Y89	VPTDGGRYDVHLGER	75 / 8 AA	81
Phosphosite 11:	C4orf37	Q8N412	Y356	VIPAPGSYDVHKSYE	71 / 7 AA	51
Phosphosite 12:	SPTBN1	Q01082	Y1805	TQILAASYELHKFYH	50 / 8 AA	275
Phosphosite 13:	TPCN1	Q9ULQ1	S41	LPSKNGGSYAIHDSQ	62 / 8 AA	94
Phosphosite 14:	PSG7	Q13046	S119	VTQEDTGSYTLHIIK	75 / 8 AA	47
Phosphosite 15:	MusTRD1	Q9UHL9	Y855	PFRNPNTYDIHRLEK	44 / 9 AA	106
Phosphosite 16:	Syndecan-4	P31431	Y180	KKKDEGSYDLGKKPI	66 / 9 AA	22
Phosphosite 17:	Syndecan-2	P34741	S178	MRKKDEGSYDLGERK	85 / 7 AA	22
Phosphosite 18:	Syndecan-4	P31431	S179	MKKKDEGSYDLGKKP	85 / 7 AA	22
Phosphosite 19:	Syndecan-2	P34741	Y179	RKKDEGSYDLGERKP	85 / 7 AA	22
Phosphosite 20:	SYNGR2	O43760	S14	GAAKAGGSFDLRRFL	71 / 7 AA	25